Iberian Reconstruction Projects

Started by miketr, November 21, 2007, 10:26:51 PM

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miketr

What do people think?  Its cheaper than a new ship but a lot of effort for whats basicly a colonial patrol cruiser

Michael

OLD SHIP

QuoteGorilla, spain cruiser laid down 1897

Displacement:
2 893 t light; 3 000 t standard; 3 372 t normal; 3 669 t full load

Dimensions: Length overall / water x beam x draught
301,84 ft / 295,28 ft x 45,93 ft x 17,06 ft (normal load)
92,00 m / 90,00 m x 14,00 m x 5,20 m

Armament:
2 - 4,92" / 125 mm guns in single mounts, 59,59lbs / 27,03kg shells, 1897 Model
Breech loading guns in deck mounts
on centreline, evenly spread
4 - 4,92" / 125 mm guns in single mounts, 59,59lbs / 27,03kg shells, 1897 Model
Breech loading guns in deck mounts
on side, all amidships
4 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1897 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 409 lbs / 186 kg
Shells per gun, main battery: 150
2 - 18,9" / 480 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm - -
2nd: 0,98" / 25 mm - -
3rd: 0,20" / 5 mm - -

- Conning tower: 1,97" / 50 mm

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 13 288 ihp / 9 913 Kw = 21,90 kts
Range 5 000nm at 10,00 kts
Bunker at max displacement = 669 tons (100% coal)

Complement:
220 - 287

Cost:
£0,416 million / $1,665 million

Distribution of weights at normal displacement:
Armament: 51 tons, 1,5%
Armour: 27 tons, 0,8%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 18 tons, 0,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 10 tons, 0,3%
Machinery: 1 943 tons, 57,6%
Hull, fittings & equipment: 872 tons, 25,9%
Fuel, ammunition & stores: 479 tons, 14,2%
Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1 066 lbs / 484 Kg = 17,9 x 4,9 " / 125 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,85
Metacentric height 4,2 ft / 1,3 m
Roll period: 9,4 seconds
Steadiness - As gun platform (Average = 50 %): 73 %
- Recoil effect (Restricted arc if above 1.00): 0,06
Seaboat quality (Average = 1.00): 1,04

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,510
Length to Beam Ratio: 6,43 : 1
'Natural speed' for length: 17,18 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): -20,00 degrees
Stern overhang: 6,56 ft / 2,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16,11 ft / 4,91 m
- Forecastle (20%): 10,60 ft / 3,23 m
- Mid (50%): 10,60 ft / 3,23 m
- Quarterdeck (15%): 10,60 ft / 3,23 m
- Stern: 10,60 ft / 3,23 m
- Average freeboard: 11,04 ft / 3,36 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 197,6%
- Above water (accommodation/working, high = better): 76,8%
Waterplane Area: 9 119 Square feet or 847 Square metres
Displacement factor (Displacement / loading): 70%
Structure weight / hull surface area: 63 lbs/sq ft or 306 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,93
- Longitudinal: 1,93
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

REBUILT SHIP

QuoteGorilla, Iberia Protected Cruiser laid down 1897 (Engine 1905)

Displacement:
   2,094 t light; 2,259 t standard; 3,372 t normal; 4,261 t full load

Dimensions: Length overall / water x beam x draught
   302.11 ft / 295.28 ft x 45.93 ft x 17.06 ft (normal load)
   92.08 m / 90.00 m x 14.00 m  x 5.20 m

Armament:
      2 - 5.91" / 150 mm guns in single mounts, 102.98lbs / 46.71kg shells, 1909 Model
     Quick firing guns in deck mounts with hoists
     on centreline ends, evenly spread
      6 - 4.92" / 125 mm guns in single mounts, 59.59lbs / 27.03kg shells, 1909 Model
     Quick firing guns in deck mounts with hoists
     on side, all amidships
      4 - 2.95" / 75.0 mm guns in single mounts, 12.87lbs / 5.84kg shells, 1909 Model
     Quick firing guns in deck mounts with hoists
     on side, evenly spread, all raised mounts
      4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1897 Model
     Breech loading guns in deck mounts
     on side, evenly spread
   Weight of broadside 615 lbs / 279 kg
   Shells per gun, main battery: 250
   2 - 20.0" / 508 mm above water torpedoes

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1.97" / 50 mm         -               -
   2nd:   1.97" / 50 mm         -               -
   3rd:   1.97" / 50 mm         -               -
   4th:   0.98" / 25 mm         -               -

   - Conning tower: 2.95" / 75 mm

Machinery:
   Coal fired boilers, steam turbines,
   Direct drive, 2 shafts, 10,000 shp / 7,460 Kw = 20.44 kts
   Range 9,200nm at 12.00 kts
   Bunker at max displacement = 2,002 tons (100% coal)

Complement:
   220 - 287

Cost:
   £0.255 million / $1.018 million

Distribution of weights at normal displacement:
   Armament: 77 tons, 2.3 %
   Armour: 73 tons, 2.2 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 59 tons, 1.7 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 14 tons, 0.4 %
   Machinery: 833 tons, 24.7 %
   Hull, fittings & equipment: 997 tons, 29.6 %
   Fuel, ammunition & stores: 1,278 tons, 37.9 %
   Miscellaneous weights: 114 tons, 3.4 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3,346 lbs / 1,518 Kg = 32.5 x 5.9 " / 150 mm shells or 0.9 torpedoes
   Stability (Unstable if below 1.00): 1.35
   Metacentric height 2.7 ft / 0.8 m
   Roll period: 11.8 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0.25
   Seaboat quality  (Average = 1.00): 1.10

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.510
   Length to Beam Ratio: 6.43 : 1
   'Natural speed' for length: 17.18 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 65
   Bow angle (Positive = bow angles forward): 23.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      16.11 ft / 4.91 m
      - Forecastle (20 %):   10.60 ft / 3.23 m
      - Mid (50 %):      10.60 ft / 3.23 m
      - Quarterdeck (15 %):   10.60 ft / 3.23 m
      - Stern:      10.60 ft / 3.23 m
      - Average freeboard:   11.04 ft / 3.36 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 103.2 %
      - Above water (accommodation/working, high = better): 76.0 %
   Waterplane Area: 9,119 Square feet or 847 Square metres
   Displacement factor (Displacement / loading): 137 %
   Structure weight / hull surface area: 72 lbs/sq ft or 350 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.92
      - Longitudinal: 2.03
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is cramped
   Ship has slow, easy roll, a good, steady gun platform

Misc Weight, small radio (10 tons) + 4 torpedo's (4 tons) + construction reserve (100 tons)

Cost to do reconstruction

Distribution of weights at normal displacement:
   Armament: 77 tons, 2.3 %
   Armour: 73 tons, 2.2 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 59 tons, 1.7 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 14 tons, 0.4 %
   Machinery: 833 tons, 24.7 %
   Hull, fittings & equipment: 997 tons, 29.6 %
   Fuel, ammunition & stores: 1,278 tons, 37.9 %
   Miscellaneous weights: 114 tons, 3.4 %

997
Total Cost for Rebuild
Base Refit 2893/1000*0.2 = $0.5786
New guns, armor, engines & misc weight (radio's and torpedo's) 77+73+833+14 = 997 tons
0.997 BP + $0.997
Total 0.997 BP + $1.5756

Distribution of weights at normal displacement:
Armament: 51 tons, 1,5%
Armour: 27 tons, 0,8%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 18 tons, 0,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 10 tons, 0,3%
Machinery: 1 943 tons, 57,6%
Hull, fittings & equipment: 872 tons, 25,9%
Fuel, ammunition & stores: 479 tons, 14,2%
Miscellaneous weights: 0 tons, 0,0%

Scrapped from old ship guns, armor & engines, 51 + 27 + 1943 = 2021 tons
2021 / 1000 * 0.15 = $0.30315 + 0.30315 BP

Final cost = 0.69385 BP + $1.27245 rounding (0.694 BP) + ($1.272)


Blooded

Hello,

I am highly interested in comments on this as I have alot of Refit/Rebuilding to be done(2xCB,2xAK,1xCL,17xDD). And its driving me nuts trying to get a handle on all the possibilities.

I think it is worth it (cheaper than new) although less capable.

A few things though....
On cost, I believe that armament and engines cost is x2.
Should the Hull increase cost(872 to 997 tons)if so it would be at 1/2 cost, yes?

I have a different take on the rules.
So I get a cost of:
Refit(base at $20%): $2.5481   0 BP  6 Months
'Rebuild'(base at $25% + 10%BP): $2.69275  0.2893 BP   4.09525 Months

Notice the large difference in construction time.

I had not even thought of scrapping the old parts, is that allowed? It makes sense(except for the guns).
"The black earth was sown with bones and watered with blood... for a harvest of sorrow on the land of Rus'. "
   -The Armament of Igor

P3D

Yes, scrapping part is not forbidden. Blooded is right about that 100t hull weight increase too. The construction time discrepancy is due to having a
I'd assume the original ship was built with hoisted mounts. The new ship also has 2 more hoisted 5" mount amidship, and the 6" mount will need reworking.

Apparently the original did not have deck armor either, so it should be classified aviso/unprotected cruiser/sloop.

I think it does not worth the extra $0.6 you are paying for it. A newbuild aviso with 1905 turbines is possible on 1900t - for $1.9. And for simple presence refitting the old ship with only extra TTs and W/T installed is adequate.

The first purpose of a warship is to remain afloat. Anon.
Below 40 degrees, there is no law. Below 50 degrees, there is no God. sailor's maxim on weather in the Southern seas

The Rock Doctor

QuoteI am highly interested in comments on this as I have alot of Refit/Rebuilding to be done(2xCB,2xAK,1xCL,17xDD). And its driving me nuts trying to get a handle on all the possibilities.

From my perspective, the answer depends on how important speed is to the ship's mission.  VTE-driven ships will have heavier machinery and less speed than similar-sized turbine-driven ships, and the VTEs won't be able to operate at high speed for as long, either. 

So a ship intended to escort convoys, shoot at land targets, and the like may be a viable candidate for rebuilding; the use of VTEs is not a big issue.  However, I wouldn't bother with ships such as torpedo-boats unless I need them as a stop-gap until they can be replaced.

From the Gran Colombian perspective, I'm more interested in maintaining the current size of the Armada, with rapid elimination of VTE-driven ships, than in expanding the Armada and retaining the VTE-driven ships.  About the only ships I'm contemplating a serious rebuild for are the newer armored cruisers, as it will take some time to replace them.

In the case of the Gorillas - there are aspects of the design that would bother me and can't really be changed:  the low freeboard and poor accommodation/working space imply a uncomfortable vessel with degraded performance in blue water or bad weather.  Personally, I think I'd scrap them.

miketr

OK  I have decided not to do the rebuild and just do a simple refitt and add radio n modern torpedo's.

Base Refit 2893/1000*0.2 = $0.5786

Cost for new items; 14 misc tons (call it 4 tons again for new launchers) so 18 tons total.

New item cost is 0.018 BP + $0.018 

Thanks for the replies!

Total $0.597 + 0.018 BP

QuoteGorilla, Iberia Protected Cruiser laid down 1897

Displacement:
   2,907 t light; 3,014 t standard; 3,372 t normal; 3,658 t full load

Dimensions: Length overall / water x beam x draught
   302.11 ft / 295.28 ft x 45.93 ft x 17.06 ft (normal load)
   92.08 m / 90.00 m x 14.00 m  x 5.20 m

Armament:
      2 - 4.92" / 125 mm guns in single mounts, 59.59lbs / 27.03kg shells, 1909 Model
     Quick firing guns in deck mounts
     on centreline ends, evenly spread
      4 - 4.92" / 125 mm guns in single mounts, 59.59lbs / 27.03kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, all amidships
      4 - 2.95" / 75.0 mm guns in single mounts, 12.87lbs / 5.84kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, evenly spread
   Weight of broadside 409 lbs / 186 kg
   Shells per gun, main battery: 150
   4 - 20.0" / 508 mm above water torpedoes

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.98" / 25 mm         -               -
   2nd:   0.98" / 25 mm         -               -
   3rd:   0.20" / 5 mm         -               -

   - Conning tower: 1.57" / 40 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 13,288 ihp / 9,913 Kw = 21.90 kts
   Range 4,800nm at 10.00 kts
   Bunker at max displacement = 644 tons (100% coal)

Complement:
   220 - 287

Cost:
   £0.416 million / $1.666 million

Distribution of weights at normal displacement:
   Armament: 51 tons, 1.5 %
   Armour: 25 tons, 0.7 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 18 tons, 0.5 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 8 tons, 0.2 %
   Machinery: 1,941 tons, 57.6 %
   Hull, fittings & equipment: 876 tons, 26.0 %
   Fuel, ammunition & stores: 465 tons, 13.8 %
   Miscellaneous weights: 14 tons, 0.4 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,033 lbs / 469 Kg = 17.3 x 4.9 " / 125 mm shells or 0.4 torpedoes
   Stability (Unstable if below 1.00): 1.74
   Metacentric height 3.9 ft / 1.2 m
   Roll period: 9.8 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0.06
   Seaboat quality  (Average = 1.00): 1.02

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.510
   Length to Beam Ratio: 6.43 : 1
   'Natural speed' for length: 17.18 kts
   Power going to wave formation at top speed: 61 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 23.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      16.11 ft / 4.91 m
      - Forecastle (20 %):   10.60 ft / 3.23 m
      - Mid (50 %):      10.60 ft / 3.23 m
      - Quarterdeck (15 %):   10.60 ft / 3.23 m
      - Stern:      10.60 ft / 3.23 m
      - Average freeboard:   11.04 ft / 3.36 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 197.9 %
      - Above water (accommodation/working, high = better): 68.2 %
   Waterplane Area: 9,119 Square feet or 847 Square metres
   Displacement factor (Displacement / loading): 70 %
   Structure weight / hull surface area: 63 lbs/sq ft or 308 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.93
      - Longitudinal: 1.94
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is cramped
   Ship has slow, easy roll, a good, steady gun platform

Misc Weight, small radio (10 tons) + 4 torpedo's (4 tons) + construction reserve (100 tons)